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Performance of Alfalfa Varieties, Red Clover, and Alsike Clover Grown Under Irrigation at Approximately 8,800 Feet Above Sea Level in Mexico¹

Synopsis: A breeding program to develop alfalfa varieties which are resistant to root, crown, and foliar diseases was shown to be needed in the high-altitude agricultural area of Mexico. The well-adapted Mexican alfalfa, Apaseo, and the Spanish alfalfa, Valenciana, are recommended as the basis for this program. The performance of red clover, a new forage legume in the Valley of Toluca, was outstanding. Kenland medium red clover was harvested 14 times during 3 harvest years and produced an average annual yield of 12.19 tons of hay per acre.

² Assistant Agronomist (Forage Crops) with the Mexican Agricultural Program of The Rockefeller Foundation; and Ingeniero Agrónomo with the Oficina de Estudios Especiales, Secretaría de Agricultura y Ganadería, Mexico, D. F. The experiments reported herein were established by Dr. John B. Pitner, former Soils Specialist of The Rockefeller Foundation and now Director of Agriculture Investigations of the Grace Chemical Co., Memphis, Tenn.